package util

// download from https://raw.githubusercontent.com/grpc-ecosystem/grpc-gateway/master/utilities/pattern.go

// An OpCode is a opcode of compiled path patterns.
type OpCode int

// These constants are the valid values of OpCode.
const (
	// OpNop does nothing.
	OpNop = OpCode(iota)
	// OpPush pushes a component to stack.
	OpPush
	// OpLitPush pushes a component to stack if it matches to the literal.
	OpLitPush
	// OpPushM concatenates the remaining components and pushes it to stack.
	OpPushM
	// OpConcatN pops N items from stack, concatenates them and pushes it back to stack.
	OpConcatN
	// OpCapture pops an item and binds it to the variable.
	OpCapture
	// OpEnd is the least positive invalid opcode.
	OpEnd
)
